./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix022_power.oepc_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix022_power.oepc_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a7433330905db616a5f4ab509cabf5c5399b795 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:31:03,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:31:03,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:31:03,347 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:31:03,347 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:31:03,348 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:31:03,348 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:31:03,349 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:31:03,350 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:31:03,350 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:31:03,351 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:31:03,351 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:31:03,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:31:03,352 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:31:03,352 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:31:03,352 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:31:03,353 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:31:03,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:31:03,355 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:31:03,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:31:03,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:31:03,356 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:31:03,357 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:31:03,357 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:31:03,358 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:31:03,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:31:03,358 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:31:03,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:31:03,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:31:03,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:31:03,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:31:03,360 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:31:03,360 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:31:03,360 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:31:03,361 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:31:03,361 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:31:03,361 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:31:03,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:31:03,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:31:03,369 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:31:03,369 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:31:03,369 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:31:03,369 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:31:03,369 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:31:03,369 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:31:03,369 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:31:03,369 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:31:03,369 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:31:03,369 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:31:03,370 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:31:03,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:31:03,370 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:31:03,370 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:31:03,370 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:31:03,370 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:31:03,370 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:31:03,370 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:31:03,371 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:31:03,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:31:03,371 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:31:03,372 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:31:03,372 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:31:03,372 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:31:03,372 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:31:03,372 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:31:03,372 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a7433330905db616a5f4ab509cabf5c5399b795 [2018-12-02 13:31:03,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:31:03,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:31:03,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:31:03,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:31:03,403 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:31:03,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix022_power.oepc_false-unreach-call.i [2018-12-02 13:31:03,439 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/data/aa2d72514/0c67874b1cbf43c59eb8cdb8e4ab3359/FLAG4fd0cc1de [2018-12-02 13:31:03,881 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:31:03,881 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/sv-benchmarks/c/pthread-wmm/mix022_power.oepc_false-unreach-call.i [2018-12-02 13:31:03,889 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/data/aa2d72514/0c67874b1cbf43c59eb8cdb8e4ab3359/FLAG4fd0cc1de [2018-12-02 13:31:03,897 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/data/aa2d72514/0c67874b1cbf43c59eb8cdb8e4ab3359 [2018-12-02 13:31:03,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:31:03,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:31:03,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:31:03,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:31:03,902 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:31:03,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:31:03" (1/1) ... [2018-12-02 13:31:03,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159e01e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:03, skipping insertion in model container [2018-12-02 13:31:03,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:31:03" (1/1) ... [2018-12-02 13:31:03,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:31:03,930 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:31:04,105 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:31:04,113 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:31:04,186 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:31:04,215 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:31:04,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04 WrapperNode [2018-12-02 13:31:04,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:31:04,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:31:04,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:31:04,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:31:04,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:31:04,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:31:04,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:31:04,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:31:04,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... [2018-12-02 13:31:04,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:31:04,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:31:04,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:31:04,265 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:31:04,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:31:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:31:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 13:31:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-02 13:31:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 13:31:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-02 13:31:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-02 13:31:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-02 13:31:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-02 13:31:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-02 13:31:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:31:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:31:04,298 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 13:31:04,604 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:31:04,604 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 13:31:04,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:31:04 BoogieIcfgContainer [2018-12-02 13:31:04,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:31:04,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:31:04,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:31:04,606 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:31:04,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:31:03" (1/3) ... [2018-12-02 13:31:04,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58472e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:31:04, skipping insertion in model container [2018-12-02 13:31:04,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:31:04" (2/3) ... [2018-12-02 13:31:04,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58472e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:31:04, skipping insertion in model container [2018-12-02 13:31:04,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:31:04" (3/3) ... [2018-12-02 13:31:04,608 INFO L112 eAbstractionObserver]: Analyzing ICFG mix022_power.oepc_false-unreach-call.i [2018-12-02 13:31:04,630 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,631 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,631 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,631 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,631 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,631 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,631 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,631 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,631 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,632 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,633 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,634 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,634 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,634 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,634 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,634 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,634 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,634 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,634 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,635 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,636 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,637 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,638 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,639 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,640 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,641 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,642 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,643 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,644 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,645 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:31:04,651 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 13:31:04,651 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:31:04,656 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 13:31:04,666 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 13:31:04,681 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:31:04,681 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:31:04,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:31:04,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:31:04,681 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:31:04,681 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:31:04,681 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:31:04,681 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:31:04,687 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-12-02 13:31:06,151 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-12-02 13:31:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-12-02 13:31:06,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 13:31:06,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:06,157 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:06,158 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:06,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:06,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2100747441, now seen corresponding path program 1 times [2018-12-02 13:31:06,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:06,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:06,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:06,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:06,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:06,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:06,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:31:06,296 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:06,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:31:06,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:31:06,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:06,308 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-12-02 13:31:06,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:06,830 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-12-02 13:31:06,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 13:31:06,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-02 13:31:06,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:06,974 INFO L225 Difference]: With dead ends: 60790 [2018-12-02 13:31:06,974 INFO L226 Difference]: Without dead ends: 44270 [2018-12-02 13:31:06,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:07,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-12-02 13:31:07,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-12-02 13:31:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-12-02 13:31:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-12-02 13:31:07,698 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-12-02 13:31:07,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:07,698 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-12-02 13:31:07,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:31:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-12-02 13:31:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 13:31:07,703 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:07,703 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:07,703 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:07,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:07,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1664977985, now seen corresponding path program 1 times [2018-12-02 13:31:07,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:07,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:07,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:07,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:07,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:07,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:07,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:31:07,747 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:07,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:31:07,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:31:07,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:07,748 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-12-02 13:31:07,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:07,808 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-12-02 13:31:07,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 13:31:07,809 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-12-02 13:31:07,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:07,823 INFO L225 Difference]: With dead ends: 8528 [2018-12-02 13:31:07,823 INFO L226 Difference]: Without dead ends: 7466 [2018-12-02 13:31:07,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-02 13:31:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-12-02 13:31:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-12-02 13:31:07,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-12-02 13:31:07,912 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-12-02 13:31:07,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:07,912 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-12-02 13:31:07,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:31:07,913 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-12-02 13:31:07,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 13:31:07,914 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:07,914 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:07,914 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:07,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:07,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1909915460, now seen corresponding path program 1 times [2018-12-02 13:31:07,914 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:07,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:07,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:07,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:07,917 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:07,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:07,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 13:31:07,959 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:07,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 13:31:07,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 13:31:07,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:07,960 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-12-02 13:31:08,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:08,192 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-12-02 13:31:08,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:31:08,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-02 13:31:08,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:08,217 INFO L225 Difference]: With dead ends: 13998 [2018-12-02 13:31:08,217 INFO L226 Difference]: Without dead ends: 13930 [2018-12-02 13:31:08,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:31:08,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-12-02 13:31:08,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-12-02 13:31:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-02 13:31:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-12-02 13:31:08,389 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-12-02 13:31:08,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:08,390 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-12-02 13:31:08,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 13:31:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-12-02 13:31:08,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 13:31:08,392 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:08,392 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:08,392 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:08,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:08,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1845061814, now seen corresponding path program 1 times [2018-12-02 13:31:08,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:08,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:08,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:08,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:08,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:08,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:08,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:31:08,426 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:08,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:31:08,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:31:08,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:31:08,427 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-12-02 13:31:08,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:08,488 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-12-02 13:31:08,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:31:08,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-02 13:31:08,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:08,505 INFO L225 Difference]: With dead ends: 13279 [2018-12-02 13:31:08,505 INFO L226 Difference]: Without dead ends: 13279 [2018-12-02 13:31:08,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:31:08,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-12-02 13:31:08,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-12-02 13:31:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-12-02 13:31:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-12-02 13:31:08,632 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-12-02 13:31:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:08,632 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-12-02 13:31:08,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:31:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-12-02 13:31:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 13:31:08,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:08,634 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:08,634 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:08,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:08,634 INFO L82 PathProgramCache]: Analyzing trace with hash 484350805, now seen corresponding path program 1 times [2018-12-02 13:31:08,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:08,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:08,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:08,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:08,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:08,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:08,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:31:08,697 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:08,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:31:08,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:31:08,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:08,698 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-12-02 13:31:09,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:09,065 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-12-02 13:31:09,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 13:31:09,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 13:31:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:09,080 INFO L225 Difference]: With dead ends: 12285 [2018-12-02 13:31:09,080 INFO L226 Difference]: Without dead ends: 12213 [2018-12-02 13:31:09,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-02 13:31:09,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-12-02 13:31:09,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-12-02 13:31:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-12-02 13:31:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-12-02 13:31:09,259 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-12-02 13:31:09,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:09,260 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-12-02 13:31:09,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:31:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-12-02 13:31:09,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 13:31:09,264 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:09,264 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:09,264 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:09,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:09,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1383304625, now seen corresponding path program 1 times [2018-12-02 13:31:09,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:09,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:09,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:09,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:09,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:09,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:09,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:31:09,313 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:09,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:31:09,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:31:09,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:09,313 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-12-02 13:31:09,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:09,395 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-12-02 13:31:09,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 13:31:09,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-02 13:31:09,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:09,409 INFO L225 Difference]: With dead ends: 12396 [2018-12-02 13:31:09,409 INFO L226 Difference]: Without dead ends: 12396 [2018-12-02 13:31:09,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:09,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-12-02 13:31:09,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-12-02 13:31:09,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-12-02 13:31:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-12-02 13:31:09,535 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-12-02 13:31:09,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:09,535 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-12-02 13:31:09,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:31:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-12-02 13:31:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 13:31:09,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:09,538 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:09,538 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:09,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:09,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1168852336, now seen corresponding path program 1 times [2018-12-02 13:31:09,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:09,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:09,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:09,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:09,539 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:09,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:09,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:31:09,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:09,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:31:09,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:31:09,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:31:09,586 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-12-02 13:31:09,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:09,865 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-12-02 13:31:09,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 13:31:09,865 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-02 13:31:09,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:09,888 INFO L225 Difference]: With dead ends: 20969 [2018-12-02 13:31:09,888 INFO L226 Difference]: Without dead ends: 20898 [2018-12-02 13:31:09,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-02 13:31:09,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-12-02 13:31:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-12-02 13:31:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-12-02 13:31:10,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-12-02 13:31:10,067 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-12-02 13:31:10,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:10,067 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-12-02 13:31:10,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:31:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-12-02 13:31:10,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 13:31:10,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:10,071 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:10,072 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:10,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:10,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1208126989, now seen corresponding path program 1 times [2018-12-02 13:31:10,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:10,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:10,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:10,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:10,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:10,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:10,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:31:10,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:10,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:31:10,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:31:10,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:10,102 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-12-02 13:31:10,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:10,347 INFO L93 Difference]: Finished difference Result 23352 states and 74493 transitions. [2018-12-02 13:31:10,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 13:31:10,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-02 13:31:10,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:10,378 INFO L225 Difference]: With dead ends: 23352 [2018-12-02 13:31:10,378 INFO L226 Difference]: Without dead ends: 23352 [2018-12-02 13:31:10,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:10,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23352 states. [2018-12-02 13:31:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23352 to 14523. [2018-12-02 13:31:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14523 states. [2018-12-02 13:31:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14523 states to 14523 states and 45664 transitions. [2018-12-02 13:31:10,647 INFO L78 Accepts]: Start accepts. Automaton has 14523 states and 45664 transitions. Word has length 64 [2018-12-02 13:31:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:10,647 INFO L480 AbstractCegarLoop]: Abstraction has 14523 states and 45664 transitions. [2018-12-02 13:31:10,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:31:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 14523 states and 45664 transitions. [2018-12-02 13:31:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 13:31:10,651 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:10,651 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:10,651 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:10,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:10,651 INFO L82 PathProgramCache]: Analyzing trace with hash -914723982, now seen corresponding path program 1 times [2018-12-02 13:31:10,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:10,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:10,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:10,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:10,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:10,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:10,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:31:10,696 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:10,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:31:10,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:31:10,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:10,697 INFO L87 Difference]: Start difference. First operand 14523 states and 45664 transitions. Second operand 4 states. [2018-12-02 13:31:10,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:10,904 INFO L93 Difference]: Finished difference Result 18411 states and 56991 transitions. [2018-12-02 13:31:10,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 13:31:10,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-02 13:31:10,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:10,924 INFO L225 Difference]: With dead ends: 18411 [2018-12-02 13:31:10,924 INFO L226 Difference]: Without dead ends: 18411 [2018-12-02 13:31:10,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:10,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18411 states. [2018-12-02 13:31:11,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18411 to 16569. [2018-12-02 13:31:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16569 states. [2018-12-02 13:31:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16569 states to 16569 states and 51537 transitions. [2018-12-02 13:31:11,097 INFO L78 Accepts]: Start accepts. Automaton has 16569 states and 51537 transitions. Word has length 64 [2018-12-02 13:31:11,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:11,097 INFO L480 AbstractCegarLoop]: Abstraction has 16569 states and 51537 transitions. [2018-12-02 13:31:11,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:31:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 16569 states and 51537 transitions. [2018-12-02 13:31:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 13:31:11,102 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:11,102 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:11,102 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:11,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:11,103 INFO L82 PathProgramCache]: Analyzing trace with hash 126242611, now seen corresponding path program 1 times [2018-12-02 13:31:11,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:11,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:11,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:11,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:11,104 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:11,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:11,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:31:11,122 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:11,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:31:11,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:31:11,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:31:11,123 INFO L87 Difference]: Start difference. First operand 16569 states and 51537 transitions. Second operand 3 states. [2018-12-02 13:31:11,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:11,261 INFO L93 Difference]: Finished difference Result 17193 states and 53232 transitions. [2018-12-02 13:31:11,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:31:11,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-02 13:31:11,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:11,281 INFO L225 Difference]: With dead ends: 17193 [2018-12-02 13:31:11,281 INFO L226 Difference]: Without dead ends: 17193 [2018-12-02 13:31:11,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:31:11,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17193 states. [2018-12-02 13:31:11,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17193 to 16901. [2018-12-02 13:31:11,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16901 states. [2018-12-02 13:31:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16901 states to 16901 states and 52431 transitions. [2018-12-02 13:31:11,450 INFO L78 Accepts]: Start accepts. Automaton has 16901 states and 52431 transitions. Word has length 64 [2018-12-02 13:31:11,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:11,450 INFO L480 AbstractCegarLoop]: Abstraction has 16901 states and 52431 transitions. [2018-12-02 13:31:11,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:31:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 16901 states and 52431 transitions. [2018-12-02 13:31:11,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 13:31:11,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:11,455 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:11,456 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:11,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:11,456 INFO L82 PathProgramCache]: Analyzing trace with hash -859455011, now seen corresponding path program 1 times [2018-12-02 13:31:11,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:11,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:11,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:11,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:11,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:11,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:11,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:31:11,513 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:11,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:31:11,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:31:11,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:31:11,513 INFO L87 Difference]: Start difference. First operand 16901 states and 52431 transitions. Second operand 6 states. [2018-12-02 13:31:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:12,233 INFO L93 Difference]: Finished difference Result 20789 states and 63395 transitions. [2018-12-02 13:31:12,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:31:12,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-02 13:31:12,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:12,260 INFO L225 Difference]: With dead ends: 20789 [2018-12-02 13:31:12,260 INFO L226 Difference]: Without dead ends: 20789 [2018-12-02 13:31:12,260 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20789 states. [2018-12-02 13:31:12,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20789 to 19521. [2018-12-02 13:31:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19521 states. [2018-12-02 13:31:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19521 states to 19521 states and 60007 transitions. [2018-12-02 13:31:12,479 INFO L78 Accepts]: Start accepts. Automaton has 19521 states and 60007 transitions. Word has length 66 [2018-12-02 13:31:12,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:12,479 INFO L480 AbstractCegarLoop]: Abstraction has 19521 states and 60007 transitions. [2018-12-02 13:31:12,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:31:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 19521 states and 60007 transitions. [2018-12-02 13:31:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 13:31:12,486 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:12,486 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:12,486 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:12,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:12,486 INFO L82 PathProgramCache]: Analyzing trace with hash 102159006, now seen corresponding path program 1 times [2018-12-02 13:31:12,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:12,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:12,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:12,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:12,488 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:12,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:12,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:31:12,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:12,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:31:12,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:31:12,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:31:12,557 INFO L87 Difference]: Start difference. First operand 19521 states and 60007 transitions. Second operand 6 states. [2018-12-02 13:31:12,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:12,851 INFO L93 Difference]: Finished difference Result 22441 states and 66578 transitions. [2018-12-02 13:31:12,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 13:31:12,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-02 13:31:12,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:12,874 INFO L225 Difference]: With dead ends: 22441 [2018-12-02 13:31:12,874 INFO L226 Difference]: Without dead ends: 22441 [2018-12-02 13:31:12,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:31:12,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22441 states. [2018-12-02 13:31:13,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22441 to 20085. [2018-12-02 13:31:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20085 states. [2018-12-02 13:31:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20085 states to 20085 states and 60622 transitions. [2018-12-02 13:31:13,083 INFO L78 Accepts]: Start accepts. Automaton has 20085 states and 60622 transitions. Word has length 66 [2018-12-02 13:31:13,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:13,084 INFO L480 AbstractCegarLoop]: Abstraction has 20085 states and 60622 transitions. [2018-12-02 13:31:13,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:31:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 20085 states and 60622 transitions. [2018-12-02 13:31:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 13:31:13,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:13,090 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:13,091 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:13,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:13,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1346923487, now seen corresponding path program 1 times [2018-12-02 13:31:13,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:13,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:13,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:13,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:13,092 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:13,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:13,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 13:31:13,146 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:13,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 13:31:13,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 13:31:13,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:13,147 INFO L87 Difference]: Start difference. First operand 20085 states and 60622 transitions. Second operand 5 states. [2018-12-02 13:31:13,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:13,375 INFO L93 Difference]: Finished difference Result 26432 states and 79262 transitions. [2018-12-02 13:31:13,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:31:13,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-02 13:31:13,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:13,403 INFO L225 Difference]: With dead ends: 26432 [2018-12-02 13:31:13,403 INFO L226 Difference]: Without dead ends: 26432 [2018-12-02 13:31:13,404 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26432 states. [2018-12-02 13:31:13,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26432 to 23813. [2018-12-02 13:31:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23813 states. [2018-12-02 13:31:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23813 states to 23813 states and 71372 transitions. [2018-12-02 13:31:13,643 INFO L78 Accepts]: Start accepts. Automaton has 23813 states and 71372 transitions. Word has length 66 [2018-12-02 13:31:13,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:13,643 INFO L480 AbstractCegarLoop]: Abstraction has 23813 states and 71372 transitions. [2018-12-02 13:31:13,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 13:31:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand 23813 states and 71372 transitions. [2018-12-02 13:31:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 13:31:13,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:13,654 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:13,655 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:13,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:13,655 INFO L82 PathProgramCache]: Analyzing trace with hash 836389310, now seen corresponding path program 1 times [2018-12-02 13:31:13,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:13,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:13,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:13,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:13,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:13,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:13,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 13:31:13,704 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:13,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 13:31:13,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 13:31:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:13,704 INFO L87 Difference]: Start difference. First operand 23813 states and 71372 transitions. Second operand 5 states. [2018-12-02 13:31:14,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:14,042 INFO L93 Difference]: Finished difference Result 33063 states and 98211 transitions. [2018-12-02 13:31:14,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 13:31:14,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-02 13:31:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:14,080 INFO L225 Difference]: With dead ends: 33063 [2018-12-02 13:31:14,080 INFO L226 Difference]: Without dead ends: 33063 [2018-12-02 13:31:14,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:31:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33063 states. [2018-12-02 13:31:14,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33063 to 29343. [2018-12-02 13:31:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29343 states. [2018-12-02 13:31:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29343 states to 29343 states and 87599 transitions. [2018-12-02 13:31:14,419 INFO L78 Accepts]: Start accepts. Automaton has 29343 states and 87599 transitions. Word has length 66 [2018-12-02 13:31:14,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:14,419 INFO L480 AbstractCegarLoop]: Abstraction has 29343 states and 87599 transitions. [2018-12-02 13:31:14,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 13:31:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29343 states and 87599 transitions. [2018-12-02 13:31:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 13:31:14,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:14,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:14,428 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:14,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:14,428 INFO L82 PathProgramCache]: Analyzing trace with hash -971065153, now seen corresponding path program 1 times [2018-12-02 13:31:14,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:14,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:14,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:14,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:14,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:14,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:14,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:31:14,464 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:14,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:31:14,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:31:14,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:14,465 INFO L87 Difference]: Start difference. First operand 29343 states and 87599 transitions. Second operand 4 states. [2018-12-02 13:31:14,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:14,866 INFO L93 Difference]: Finished difference Result 38903 states and 116585 transitions. [2018-12-02 13:31:14,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 13:31:14,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-02 13:31:14,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:14,914 INFO L225 Difference]: With dead ends: 38903 [2018-12-02 13:31:14,914 INFO L226 Difference]: Without dead ends: 38671 [2018-12-02 13:31:14,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:14,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38671 states. [2018-12-02 13:31:15,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38671 to 35807. [2018-12-02 13:31:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35807 states. [2018-12-02 13:31:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35807 states to 35807 states and 107399 transitions. [2018-12-02 13:31:15,305 INFO L78 Accepts]: Start accepts. Automaton has 35807 states and 107399 transitions. Word has length 66 [2018-12-02 13:31:15,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:15,305 INFO L480 AbstractCegarLoop]: Abstraction has 35807 states and 107399 transitions. [2018-12-02 13:31:15,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:31:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 35807 states and 107399 transitions. [2018-12-02 13:31:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 13:31:15,314 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:15,314 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:15,314 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:15,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:15,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1526950784, now seen corresponding path program 1 times [2018-12-02 13:31:15,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:15,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:15,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:15,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:15,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:15,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:15,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:15,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:31:15,386 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:15,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:31:15,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:31:15,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:15,386 INFO L87 Difference]: Start difference. First operand 35807 states and 107399 transitions. Second operand 7 states. [2018-12-02 13:31:15,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:15,709 INFO L93 Difference]: Finished difference Result 31667 states and 90728 transitions. [2018-12-02 13:31:15,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 13:31:15,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 13:31:15,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:15,742 INFO L225 Difference]: With dead ends: 31667 [2018-12-02 13:31:15,742 INFO L226 Difference]: Without dead ends: 31667 [2018-12-02 13:31:15,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-12-02 13:31:15,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31667 states. [2018-12-02 13:31:16,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31667 to 25460. [2018-12-02 13:31:16,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25460 states. [2018-12-02 13:31:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25460 states to 25460 states and 73006 transitions. [2018-12-02 13:31:16,061 INFO L78 Accepts]: Start accepts. Automaton has 25460 states and 73006 transitions. Word has length 66 [2018-12-02 13:31:16,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:16,061 INFO L480 AbstractCegarLoop]: Abstraction has 25460 states and 73006 transitions. [2018-12-02 13:31:16,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:31:16,061 INFO L276 IsEmpty]: Start isEmpty. Operand 25460 states and 73006 transitions. [2018-12-02 13:31:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 13:31:16,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:16,068 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:16,068 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:16,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:16,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1880512831, now seen corresponding path program 1 times [2018-12-02 13:31:16,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:16,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:16,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:16,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:16,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 13:31:16,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:16,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 13:31:16,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 13:31:16,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:16,099 INFO L87 Difference]: Start difference. First operand 25460 states and 73006 transitions. Second operand 5 states. [2018-12-02 13:31:16,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:16,134 INFO L93 Difference]: Finished difference Result 7460 states and 17978 transitions. [2018-12-02 13:31:16,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:31:16,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-02 13:31:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:16,139 INFO L225 Difference]: With dead ends: 7460 [2018-12-02 13:31:16,139 INFO L226 Difference]: Without dead ends: 6135 [2018-12-02 13:31:16,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:16,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6135 states. [2018-12-02 13:31:16,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6135 to 5529. [2018-12-02 13:31:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5529 states. [2018-12-02 13:31:16,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5529 states to 5529 states and 12867 transitions. [2018-12-02 13:31:16,183 INFO L78 Accepts]: Start accepts. Automaton has 5529 states and 12867 transitions. Word has length 66 [2018-12-02 13:31:16,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:16,183 INFO L480 AbstractCegarLoop]: Abstraction has 5529 states and 12867 transitions. [2018-12-02 13:31:16,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 13:31:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 5529 states and 12867 transitions. [2018-12-02 13:31:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 13:31:16,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:16,186 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:16,186 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:16,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:16,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1184013087, now seen corresponding path program 1 times [2018-12-02 13:31:16,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:16,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:16,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,187 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:16,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:16,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:31:16,199 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:16,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:31:16,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:31:16,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:31:16,200 INFO L87 Difference]: Start difference. First operand 5529 states and 12867 transitions. Second operand 3 states. [2018-12-02 13:31:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:16,226 INFO L93 Difference]: Finished difference Result 7165 states and 16473 transitions. [2018-12-02 13:31:16,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:31:16,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-12-02 13:31:16,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:16,230 INFO L225 Difference]: With dead ends: 7165 [2018-12-02 13:31:16,230 INFO L226 Difference]: Without dead ends: 7165 [2018-12-02 13:31:16,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:31:16,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2018-12-02 13:31:16,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 5468. [2018-12-02 13:31:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5468 states. [2018-12-02 13:31:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5468 states to 5468 states and 12407 transitions. [2018-12-02 13:31:16,270 INFO L78 Accepts]: Start accepts. Automaton has 5468 states and 12407 transitions. Word has length 66 [2018-12-02 13:31:16,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:16,270 INFO L480 AbstractCegarLoop]: Abstraction has 5468 states and 12407 transitions. [2018-12-02 13:31:16,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:31:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 5468 states and 12407 transitions. [2018-12-02 13:31:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 13:31:16,273 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:16,273 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:16,274 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:16,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:16,274 INFO L82 PathProgramCache]: Analyzing trace with hash 280585492, now seen corresponding path program 1 times [2018-12-02 13:31:16,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:16,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:16,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:16,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:16,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 13:31:16,314 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:16,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 13:31:16,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 13:31:16,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:16,315 INFO L87 Difference]: Start difference. First operand 5468 states and 12407 transitions. Second operand 5 states. [2018-12-02 13:31:16,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:16,406 INFO L93 Difference]: Finished difference Result 6622 states and 15012 transitions. [2018-12-02 13:31:16,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 13:31:16,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-02 13:31:16,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:16,410 INFO L225 Difference]: With dead ends: 6622 [2018-12-02 13:31:16,410 INFO L226 Difference]: Without dead ends: 6622 [2018-12-02 13:31:16,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:31:16,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6622 states. [2018-12-02 13:31:16,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6622 to 5912. [2018-12-02 13:31:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2018-12-02 13:31:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 13411 transitions. [2018-12-02 13:31:16,450 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 13411 transitions. Word has length 72 [2018-12-02 13:31:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:16,451 INFO L480 AbstractCegarLoop]: Abstraction has 5912 states and 13411 transitions. [2018-12-02 13:31:16,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 13:31:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 13411 transitions. [2018-12-02 13:31:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 13:31:16,454 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:16,454 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:16,454 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:16,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:16,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2023395827, now seen corresponding path program 1 times [2018-12-02 13:31:16,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:16,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:16,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:16,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:16,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 13:31:16,552 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:16,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:31:16,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:31:16,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:31:16,553 INFO L87 Difference]: Start difference. First operand 5912 states and 13411 transitions. Second operand 9 states. [2018-12-02 13:31:16,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:16,826 INFO L93 Difference]: Finished difference Result 7374 states and 16560 transitions. [2018-12-02 13:31:16,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 13:31:16,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-12-02 13:31:16,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:16,831 INFO L225 Difference]: With dead ends: 7374 [2018-12-02 13:31:16,831 INFO L226 Difference]: Without dead ends: 7272 [2018-12-02 13:31:16,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-12-02 13:31:16,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7272 states. [2018-12-02 13:31:16,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7272 to 6009. [2018-12-02 13:31:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6009 states. [2018-12-02 13:31:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6009 states to 6009 states and 13504 transitions. [2018-12-02 13:31:16,875 INFO L78 Accepts]: Start accepts. Automaton has 6009 states and 13504 transitions. Word has length 72 [2018-12-02 13:31:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:16,875 INFO L480 AbstractCegarLoop]: Abstraction has 6009 states and 13504 transitions. [2018-12-02 13:31:16,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:31:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 6009 states and 13504 transitions. [2018-12-02 13:31:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 13:31:16,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:16,879 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:16,879 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:16,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:16,879 INFO L82 PathProgramCache]: Analyzing trace with hash 2109011007, now seen corresponding path program 1 times [2018-12-02 13:31:16,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:16,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:16,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:16,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:16,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:16,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:31:16,934 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:16,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:31:16,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:31:16,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:16,935 INFO L87 Difference]: Start difference. First operand 6009 states and 13504 transitions. Second operand 7 states. [2018-12-02 13:31:17,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:17,246 INFO L93 Difference]: Finished difference Result 7489 states and 16833 transitions. [2018-12-02 13:31:17,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:31:17,246 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-02 13:31:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:17,253 INFO L225 Difference]: With dead ends: 7489 [2018-12-02 13:31:17,253 INFO L226 Difference]: Without dead ends: 7489 [2018-12-02 13:31:17,253 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:17,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2018-12-02 13:31:17,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 6149. [2018-12-02 13:31:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6149 states. [2018-12-02 13:31:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 13892 transitions. [2018-12-02 13:31:17,305 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 13892 transitions. Word has length 93 [2018-12-02 13:31:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:17,305 INFO L480 AbstractCegarLoop]: Abstraction has 6149 states and 13892 transitions. [2018-12-02 13:31:17,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:31:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 13892 transitions. [2018-12-02 13:31:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 13:31:17,309 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:17,309 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:17,309 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:17,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:17,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1747160284, now seen corresponding path program 1 times [2018-12-02 13:31:17,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:17,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:17,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:17,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:17,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:17,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:17,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:31:17,348 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:17,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:31:17,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:31:17,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:17,348 INFO L87 Difference]: Start difference. First operand 6149 states and 13892 transitions. Second operand 4 states. [2018-12-02 13:31:17,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:17,421 INFO L93 Difference]: Finished difference Result 7316 states and 16390 transitions. [2018-12-02 13:31:17,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 13:31:17,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-02 13:31:17,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:17,426 INFO L225 Difference]: With dead ends: 7316 [2018-12-02 13:31:17,426 INFO L226 Difference]: Without dead ends: 7316 [2018-12-02 13:31:17,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7316 states. [2018-12-02 13:31:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7316 to 6506. [2018-12-02 13:31:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6506 states. [2018-12-02 13:31:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6506 states to 6506 states and 14662 transitions. [2018-12-02 13:31:17,476 INFO L78 Accepts]: Start accepts. Automaton has 6506 states and 14662 transitions. Word has length 93 [2018-12-02 13:31:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:17,477 INFO L480 AbstractCegarLoop]: Abstraction has 6506 states and 14662 transitions. [2018-12-02 13:31:17,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:31:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 6506 states and 14662 transitions. [2018-12-02 13:31:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:17,481 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:17,481 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:17,481 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:17,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:17,481 INFO L82 PathProgramCache]: Analyzing trace with hash 279569706, now seen corresponding path program 1 times [2018-12-02 13:31:17,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:17,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:17,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:17,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:17,483 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:17,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:17,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 13:31:17,522 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:17,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 13:31:17,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 13:31:17,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:17,522 INFO L87 Difference]: Start difference. First operand 6506 states and 14662 transitions. Second operand 5 states. [2018-12-02 13:31:17,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:17,598 INFO L93 Difference]: Finished difference Result 7013 states and 15750 transitions. [2018-12-02 13:31:17,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:31:17,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2018-12-02 13:31:17,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:17,605 INFO L225 Difference]: With dead ends: 7013 [2018-12-02 13:31:17,605 INFO L226 Difference]: Without dead ends: 7013 [2018-12-02 13:31:17,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7013 states. [2018-12-02 13:31:17,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7013 to 5402. [2018-12-02 13:31:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5402 states. [2018-12-02 13:31:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 12178 transitions. [2018-12-02 13:31:17,669 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 12178 transitions. Word has length 95 [2018-12-02 13:31:17,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:17,669 INFO L480 AbstractCegarLoop]: Abstraction has 5402 states and 12178 transitions. [2018-12-02 13:31:17,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 13:31:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 12178 transitions. [2018-12-02 13:31:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:17,675 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:17,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:17,675 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:17,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:17,675 INFO L82 PathProgramCache]: Analyzing trace with hash 290885833, now seen corresponding path program 1 times [2018-12-02 13:31:17,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:17,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:17,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:17,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:17,677 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:17,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:17,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:31:17,702 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:17,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:31:17,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:31:17,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:31:17,703 INFO L87 Difference]: Start difference. First operand 5402 states and 12178 transitions. Second operand 4 states. [2018-12-02 13:31:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:17,841 INFO L93 Difference]: Finished difference Result 6950 states and 15550 transitions. [2018-12-02 13:31:17,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 13:31:17,842 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-12-02 13:31:17,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:17,846 INFO L225 Difference]: With dead ends: 6950 [2018-12-02 13:31:17,846 INFO L226 Difference]: Without dead ends: 6883 [2018-12-02 13:31:17,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:31:17,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6883 states. [2018-12-02 13:31:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6883 to 6451. [2018-12-02 13:31:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6451 states. [2018-12-02 13:31:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6451 states to 6451 states and 14497 transitions. [2018-12-02 13:31:17,896 INFO L78 Accepts]: Start accepts. Automaton has 6451 states and 14497 transitions. Word has length 95 [2018-12-02 13:31:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:17,896 INFO L480 AbstractCegarLoop]: Abstraction has 6451 states and 14497 transitions. [2018-12-02 13:31:17,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:31:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 6451 states and 14497 transitions. [2018-12-02 13:31:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:17,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:17,902 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:17,902 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:17,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:17,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1786323510, now seen corresponding path program 1 times [2018-12-02 13:31:17,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:17,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:17,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:17,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:17,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:18,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:18,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 13:31:18,018 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:18,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 13:31:18,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 13:31:18,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 13:31:18,019 INFO L87 Difference]: Start difference. First operand 6451 states and 14497 transitions. Second operand 11 states. [2018-12-02 13:31:18,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:18,578 INFO L93 Difference]: Finished difference Result 9354 states and 20661 transitions. [2018-12-02 13:31:18,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-02 13:31:18,579 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-02 13:31:18,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:18,585 INFO L225 Difference]: With dead ends: 9354 [2018-12-02 13:31:18,585 INFO L226 Difference]: Without dead ends: 9354 [2018-12-02 13:31:18,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2018-12-02 13:31:18,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9354 states. [2018-12-02 13:31:18,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9354 to 7004. [2018-12-02 13:31:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7004 states. [2018-12-02 13:31:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7004 states to 7004 states and 15619 transitions. [2018-12-02 13:31:18,671 INFO L78 Accepts]: Start accepts. Automaton has 7004 states and 15619 transitions. Word has length 95 [2018-12-02 13:31:18,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:18,671 INFO L480 AbstractCegarLoop]: Abstraction has 7004 states and 15619 transitions. [2018-12-02 13:31:18,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 13:31:18,671 INFO L276 IsEmpty]: Start isEmpty. Operand 7004 states and 15619 transitions. [2018-12-02 13:31:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:18,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:18,677 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:18,677 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:18,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:18,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1574972597, now seen corresponding path program 1 times [2018-12-02 13:31:18,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:18,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:18,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:18,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:18,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:18,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:18,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 13:31:18,779 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:18,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:31:18,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:31:18,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:31:18,779 INFO L87 Difference]: Start difference. First operand 7004 states and 15619 transitions. Second operand 9 states. [2018-12-02 13:31:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:19,044 INFO L93 Difference]: Finished difference Result 8157 states and 18123 transitions. [2018-12-02 13:31:19,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 13:31:19,044 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-02 13:31:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:19,049 INFO L225 Difference]: With dead ends: 8157 [2018-12-02 13:31:19,050 INFO L226 Difference]: Without dead ends: 8091 [2018-12-02 13:31:19,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-12-02 13:31:19,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2018-12-02 13:31:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 7128. [2018-12-02 13:31:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7128 states. [2018-12-02 13:31:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7128 states to 7128 states and 15882 transitions. [2018-12-02 13:31:19,101 INFO L78 Accepts]: Start accepts. Automaton has 7128 states and 15882 transitions. Word has length 95 [2018-12-02 13:31:19,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:19,101 INFO L480 AbstractCegarLoop]: Abstraction has 7128 states and 15882 transitions. [2018-12-02 13:31:19,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:31:19,101 INFO L276 IsEmpty]: Start isEmpty. Operand 7128 states and 15882 transitions. [2018-12-02 13:31:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:19,106 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:19,106 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:19,106 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:19,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:19,106 INFO L82 PathProgramCache]: Analyzing trace with hash -687468916, now seen corresponding path program 1 times [2018-12-02 13:31:19,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:19,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:19,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:19,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:19,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:19,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:19,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 13:31:19,203 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:19,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 13:31:19,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 13:31:19,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-02 13:31:19,204 INFO L87 Difference]: Start difference. First operand 7128 states and 15882 transitions. Second operand 11 states. [2018-12-02 13:31:20,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:20,396 INFO L93 Difference]: Finished difference Result 13202 states and 29518 transitions. [2018-12-02 13:31:20,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 13:31:20,396 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-02 13:31:20,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:20,405 INFO L225 Difference]: With dead ends: 13202 [2018-12-02 13:31:20,406 INFO L226 Difference]: Without dead ends: 9144 [2018-12-02 13:31:20,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-02 13:31:20,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9144 states. [2018-12-02 13:31:20,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9144 to 6991. [2018-12-02 13:31:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6991 states. [2018-12-02 13:31:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6991 states to 6991 states and 15535 transitions. [2018-12-02 13:31:20,469 INFO L78 Accepts]: Start accepts. Automaton has 6991 states and 15535 transitions. Word has length 95 [2018-12-02 13:31:20,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:20,469 INFO L480 AbstractCegarLoop]: Abstraction has 6991 states and 15535 transitions. [2018-12-02 13:31:20,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 13:31:20,469 INFO L276 IsEmpty]: Start isEmpty. Operand 6991 states and 15535 transitions. [2018-12-02 13:31:20,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:20,473 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:20,474 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:20,474 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:20,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:20,474 INFO L82 PathProgramCache]: Analyzing trace with hash 874767388, now seen corresponding path program 1 times [2018-12-02 13:31:20,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:20,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:20,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:20,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:20,475 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:20,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:20,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:31:20,553 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:20,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:31:20,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:31:20,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:31:20,554 INFO L87 Difference]: Start difference. First operand 6991 states and 15535 transitions. Second operand 6 states. [2018-12-02 13:31:20,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:20,659 INFO L93 Difference]: Finished difference Result 7856 states and 17260 transitions. [2018-12-02 13:31:20,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:31:20,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-02 13:31:20,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:20,664 INFO L225 Difference]: With dead ends: 7856 [2018-12-02 13:31:20,665 INFO L226 Difference]: Without dead ends: 7808 [2018-12-02 13:31:20,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:20,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7808 states. [2018-12-02 13:31:20,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7808 to 6903. [2018-12-02 13:31:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6903 states. [2018-12-02 13:31:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6903 states to 6903 states and 15208 transitions. [2018-12-02 13:31:20,715 INFO L78 Accepts]: Start accepts. Automaton has 6903 states and 15208 transitions. Word has length 95 [2018-12-02 13:31:20,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:20,715 INFO L480 AbstractCegarLoop]: Abstraction has 6903 states and 15208 transitions. [2018-12-02 13:31:20,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:31:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 6903 states and 15208 transitions. [2018-12-02 13:31:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:20,720 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:20,720 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:20,720 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:20,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:20,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1692904092, now seen corresponding path program 2 times [2018-12-02 13:31:20,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:20,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:20,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:20,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:20,721 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:20,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:20,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 13:31:20,817 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:20,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:31:20,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:31:20,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:31:20,818 INFO L87 Difference]: Start difference. First operand 6903 states and 15208 transitions. Second operand 9 states. [2018-12-02 13:31:21,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:21,123 INFO L93 Difference]: Finished difference Result 7676 states and 16894 transitions. [2018-12-02 13:31:21,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 13:31:21,124 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-02 13:31:21,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:21,129 INFO L225 Difference]: With dead ends: 7676 [2018-12-02 13:31:21,129 INFO L226 Difference]: Without dead ends: 7669 [2018-12-02 13:31:21,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-12-02 13:31:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7669 states. [2018-12-02 13:31:21,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7669 to 6983. [2018-12-02 13:31:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6983 states. [2018-12-02 13:31:21,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6983 states to 6983 states and 15394 transitions. [2018-12-02 13:31:21,184 INFO L78 Accepts]: Start accepts. Automaton has 6983 states and 15394 transitions. Word has length 95 [2018-12-02 13:31:21,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:21,184 INFO L480 AbstractCegarLoop]: Abstraction has 6983 states and 15394 transitions. [2018-12-02 13:31:21,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:31:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 6983 states and 15394 transitions. [2018-12-02 13:31:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:21,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:21,189 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:21,189 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:21,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:21,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1904255005, now seen corresponding path program 1 times [2018-12-02 13:31:21,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:21,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:21,190 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 13:31:21,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:21,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:21,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:21,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:31:21,239 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:21,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:31:21,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:31:21,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:31:21,240 INFO L87 Difference]: Start difference. First operand 6983 states and 15394 transitions. Second operand 6 states. [2018-12-02 13:31:21,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:21,361 INFO L93 Difference]: Finished difference Result 7130 states and 15642 transitions. [2018-12-02 13:31:21,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 13:31:21,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-02 13:31:21,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:21,365 INFO L225 Difference]: With dead ends: 7130 [2018-12-02 13:31:21,365 INFO L226 Difference]: Without dead ends: 7130 [2018-12-02 13:31:21,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:31:21,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7130 states. [2018-12-02 13:31:21,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7130 to 6751. [2018-12-02 13:31:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6751 states. [2018-12-02 13:31:21,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6751 states to 6751 states and 14862 transitions. [2018-12-02 13:31:21,411 INFO L78 Accepts]: Start accepts. Automaton has 6751 states and 14862 transitions. Word has length 95 [2018-12-02 13:31:21,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:21,411 INFO L480 AbstractCegarLoop]: Abstraction has 6751 states and 14862 transitions. [2018-12-02 13:31:21,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:31:21,411 INFO L276 IsEmpty]: Start isEmpty. Operand 6751 states and 14862 transitions. [2018-12-02 13:31:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:21,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:21,416 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:21,416 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:21,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:21,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1204533149, now seen corresponding path program 1 times [2018-12-02 13:31:21,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:21,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:21,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:21,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:21,417 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:31:21,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:31:21,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:31:21,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:31:21,476 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:31:21,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:31:21,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:31:21,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:31:21,477 INFO L87 Difference]: Start difference. First operand 6751 states and 14862 transitions. Second operand 7 states. [2018-12-02 13:31:21,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:31:21,585 INFO L93 Difference]: Finished difference Result 8696 states and 19176 transitions. [2018-12-02 13:31:21,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:31:21,586 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-12-02 13:31:21,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:31:21,591 INFO L225 Difference]: With dead ends: 8696 [2018-12-02 13:31:21,591 INFO L226 Difference]: Without dead ends: 8696 [2018-12-02 13:31:21,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-02 13:31:21,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8696 states. [2018-12-02 13:31:21,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8696 to 6383. [2018-12-02 13:31:21,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6383 states. [2018-12-02 13:31:21,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6383 states to 6383 states and 13974 transitions. [2018-12-02 13:31:21,644 INFO L78 Accepts]: Start accepts. Automaton has 6383 states and 13974 transitions. Word has length 95 [2018-12-02 13:31:21,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:31:21,644 INFO L480 AbstractCegarLoop]: Abstraction has 6383 states and 13974 transitions. [2018-12-02 13:31:21,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:31:21,644 INFO L276 IsEmpty]: Start isEmpty. Operand 6383 states and 13974 transitions. [2018-12-02 13:31:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:31:21,648 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:31:21,648 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:31:21,649 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:31:21,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:31:21,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1415884062, now seen corresponding path program 2 times [2018-12-02 13:31:21,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:31:21,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:21,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:31:21,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:31:21,650 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:31:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:31:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:31:21,695 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 13:31:21,761 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-02 13:31:21,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:31:21 BasicIcfg [2018-12-02 13:31:21,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:31:21,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:31:21,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:31:21,763 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:31:21,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:31:04" (3/4) ... [2018-12-02 13:31:21,764 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 13:31:21,832 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dd3ebd3e-46d9-42e1-b042-5cd5e0c0745a/bin-2019/utaipan/witness.graphml [2018-12-02 13:31:21,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:31:21,833 INFO L168 Benchmark]: Toolchain (without parser) took 17933.89 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -60.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 13:31:21,834 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:31:21,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:31:21,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:31:21,834 INFO L168 Benchmark]: Boogie Preprocessor took 18.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:31:21,835 INFO L168 Benchmark]: RCFGBuilder took 339.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:31:21,835 INFO L168 Benchmark]: TraceAbstraction took 17157.66 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -5.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 13:31:21,835 INFO L168 Benchmark]: Witness Printer took 70.25 ms. Allocated memory is still 2.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:31:21,836 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 339.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17157.66 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -5.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 70.25 ms. Allocated memory is still 2.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L671] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L673] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L675] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L681] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L682] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L683] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L684] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L685] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L686] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L687] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L688] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L689] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L690] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L691] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L692] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L693] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L694] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L695] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L773] -1 pthread_t t587; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L774] FCALL, FORK -1 pthread_create(&t587, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L701] 0 y$w_buff1 = y$w_buff0 [L702] 0 y$w_buff0 = 1 [L703] 0 y$w_buff1_used = y$w_buff0_used [L704] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L706] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L707] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L708] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L709] 0 y$r_buff0_thd1 = (_Bool)1 [L712] 0 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L775] -1 pthread_t t588; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L776] FCALL, FORK -1 pthread_create(&t588, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L729] 1 x = 2 [L732] 1 __unbuffered_p1_EAX = x [L735] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L736] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L737] 1 y$flush_delayed = weak$$choice2 [L738] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L740] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L740] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L741] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L742] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L743] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L743] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L744] EXPR 1 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] 1 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L745] EXPR 1 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L745] 1 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L746] 1 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] 0 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$flush_delayed ? y$mem_tmp : y [L748] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L717] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L718] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L719] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L722] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L751] EXPR 1 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L751] 1 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L752] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used=0, y$w_buff1=0, y$w_buff1_used=0] [L753] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L754] 1 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L755] 1 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L778] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L783] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L783] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L784] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L785] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L785] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L786] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L786] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L789] -1 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 17.0s OverallTime, 32 OverallIterations, 1 TraceHistogramMax, 8.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8628 SDtfs, 10491 SDslu, 19738 SDs, 0 SdLazy, 9002 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 79 SyntacticMatches, 37 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35807occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 31 MinimizatonAttempts, 82604 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2344 NumberOfCodeBlocks, 2344 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2218 ConstructedInterpolants, 0 QuantifiedInterpolants, 506695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...